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53043152 = 2423144139
BaseRepresentation
bin1100101001010…
…1111111010000
310200210212112012
43022111333100
5102034340102
65132522052
71212600521
oct312257720
9120725465
1053043152
1127a3a118
1215920328
13acb25a6
14708a848
1549cb752
hex3295fd0

53043152 has 20 divisors (see below), whose sum is σ = 107240160. Its totient is φ = 25368288.

The previous prime is 53043143. The next prime is 53043157. The reversal of 53043152 is 25134035.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53043157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71702 + ... + 72437.

It is an arithmetic number, because the mean of its divisors is an integer number (5362008).

Almost surely, 253043152 is an apocalyptic number.

It is an amenable number.

53043152 is an abundant number, since it is smaller than the sum of its proper divisors (54197008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53043152 is a wasteful number, since it uses less digits than its factorization.

53043152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144170 (or 144164 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53043152 is about 7283.0729778027. The cubic root of 53043152 is about 375.7304919453.

Adding to 53043152 its reverse (25134035), we get a palindrome (78177187).

The spelling of 53043152 in words is "fifty-three million, forty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 144139 288278 576556 1153112 2306224 3315197 6630394 13260788 26521576 53043152